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13 results for “seed age”
Data from: Aging in an herbaceous plant: increases in mortality and decreases in physiology and seed mass
1. Little is known about plant age-dependent trait expression and how environmental conditions might affect aging in the wild. This study evaluates age variation in multiple traits of a short-lived perennial herb using a manipulative field experimental design. 2. Two different-aged cohorts were followed in a field plot for over a year to evaluate trait expression in response to a competition treatment and seasonal stress. Traits measured included size, mortality, reproduction, and physiology, including photosynthetic efficiency and chlorophyll content (SPAD). We hypothesized that the stress of competition and seasonal changes would accentuate age-dependent trait declines in older plants. 3. The results highlight consistent age differences in plant size, mortality, and seed size with older plants being smaller, more likely to die, and producing smaller seeds. Some of the aging declines were sensitive to environmental conditions such that it was only during certain seasons when older plants had higher mortality, lower photosynthetic efficiency, and lower chlorophyll content than young plants. Age-dependent trait expression also varied in response to competition such that age differences in size were only present in the 'no competition treatment,' and old individuals in the competition treatment had a higher mortality than all other age-environment combinations. 4. Synthesis. These findings show that aging in plants is a complex phenotype where declines in traits are uncoordinated and can be, but are not always, sensitive to environmental conditions. This study shows age-dependent maternal effects on offspring quality which, together with the decline in performance of older individuals, may have impacts on an individual's fitness and on natural population demography.
Data from: Aging in an herbaceous plant: increases in mortality and decreases in physiology and seed mass
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Supplementary material 1 from: Hall RM, Urban B, Skalova H, Moravcová L, Sölter U, Starfinger U, Kazinczi G, van Valkenburg J, Fenesi A, Konstantinovic B, Uludag A, Lommen S, Karrer G (2021) Seed viability of common ragweed (Ambrosia artemisiifolia L.) is affected by seed origin and age, but also by testing method and laboratory. NeoBiota 70: 193-221. https://doi.org/10.3897/neobiota.70.66915
Supporting tables and figures
Data from: Sex-specific mitonuclear epistasis and the evolution of mitochondrial bioenergetics, ageing and life history in seed beetles
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Clonally expanded targetable natural killer-like T cells seed the aged spinal cord to disrupt wound healing
GEO Series GSE275570. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
Age-related gene expression changes in seeded tauopathy
GEO Series GSE169686. Mus musculus. 66 samples. Type: Expression profiling by high throughput sequencing.
Clonally expanded targetable natural killer-like T cells seed the aged spinal cord to disrupt wound healing [scRNA-seq]
GEO Series GSE281205. Mus musculus. 18 samples. Type: Expression profiling by high throughput sequencing.
Clonally expanded targetable natural killer-like T cells seed the aged spinal cord to disrupt wound healing [scGEX and TCR]
GEO Series GSE275982. Mus musculus. 24 samples. Type: Expression profiling by high throughput sequencing; Other.
Seeds of Pisum sativum L. cv Alaska Early: non-aged controls vs. Aged
GEO Series GSE24864. Lathyrus oleraceus. 9 samples. Type: Expression profiling by array.
Transcriptome analysis of Mus musculus skin from experimental studies on grape seed extract NSPCC1 intervention in skin aging
GEO Series GSE302754. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing.
ivt-Transcriptomic study of rice seed ageing
GEO Series GSE46342. Oryza sativa. 12 samples. Type: Expression profiling by array.
ovation-Transcriptomic study of rice seed ageing
GEO Series GSE46334. Oryza sativa. 6 samples. Type: Expression profiling by array.
Barley seeds miRNome stability during long-term storage and aging
GEO Series GSE164512. Hordeum vulgare. 10 samples. Type: Non-coding RNA profiling by high throughput sequencing.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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